anonymous
  • anonymous
A geostationary satellite is positioned 35,800 km above Earth’s surface. It takes 24 hours to complete one orbit. The radius of Earth is about 6400 km. a) What distance does the satellite travel in 1 h? 3 h? 2.5 h? 25 h? b) After how many hours has the satellite traveled 200,00 km?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Jack1
  • Jack1
|dw:1370968696393:dw|
anonymous
  • anonymous
That is literally the only part I know how to figure out. :P
anonymous
  • anonymous
Would I just find the circumference of the orbit and then divide into chunks based on the time intervals??

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Jack1
  • Jack1
perfect, that solution sounds really good
Jack1
  • Jack1
compare answers here?
anonymous
  • anonymous
Circumference = approx. 265,016 so, 1 hr = 11,042.34 km? 3 hr = 33,127? 2.5 hr = 27,605.84? 25 hr = 276,058.34? I think this is correct, but how would I calcualate how long it took to travel 200,000 km?
anonymous
  • anonymous
*calculate
anonymous
  • anonymous
wait... I would just divide the circumference by 200,000 to find that... huh?
Jack1
  • Jack1
yep, what percentage of the circumference is 200000?
anonymous
  • anonymous
75% so, 18 hrs?
Jack1
  • Jack1
so flip ur idea and reverse it divide (200000/ circumference) *100 = % of circumference
Jack1
  • Jack1
yep perfect dude
anonymous
  • anonymous
well, like 18.1 because the percent is not perfect. :P
Jack1
  • Jack1
I got: circumference = 265150 km so it travels 265150km every 24 hours therefore 11048 km per hour so 3 hours = 3*11048 = 33134 km 2.5 hrs = 27619.8 km 25 hrs = 276198 and 75.43 % so 18 hrs and 6 minutes
Jack1
  • Jack1
but i recon they'll let the rounding slide in this case, sig figs an all that
anonymous
  • anonymous
Sweet, I feel a little less stupid. Thanks for working with me on this! :)
Jack1
  • Jack1
always welcome dude
anonymous
  • anonymous
Also, do you know how to use cosine functions and such? If you have a minute, I am going to post another problem. I really don't understand them. Could you help me?
Jack1
  • Jack1
dude, im sorry, is 3am here and i'm beat, so i'm gonna bail on you, sorry again, need zzzz's tho hit up @ganeshie8 , he's my goto mathlete
anonymous
  • anonymous
haha, okay. Well thank you anyways! Have a good night!! :)
ganeshie8
  • ganeshie8
sorry WTFork im going out for a while... cya
anonymous
  • anonymous
No worries! Thanks anyways! :)

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